[DB] Update migrations for datetime update

Manager.App/Manager.App.csproj

@@ -31,6 +31,7 @@
     </ItemGroup>
 
     <ItemGroup>
+      <Folder Include="Library\" />
       <Folder Include="Logs\Debug\" />
     </ItemGroup>
 

Manager.App/Services/System/ClientManager.cs

@@ -8,21 +8,26 @@ namespace Manager.App.Services.System;
 public class ClientManager : BackgroundService
 {
     private readonly List<YouTubeClient> _clients = [];
-    private bool _cancelled;
+    private CancellationToken _cancellationToken;
     
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
     {
+        _cancellationToken = stoppingToken;
         stoppingToken.Register(CancellationRequested);
     }
 
     private void CancellationRequested()
     {
-        _cancelled = true;
         // Clear up
     }
 
     public async Task<Result<YouTubeClient>> LoadClient(ClientAccountEntity accountEntity)
     {
+        if (_cancellationToken.IsCancellationRequested)
+        {
+            return ResultError.Fail("Service is shutting down.");
+        }
+
         var container = new CookieContainer();
 
         if (accountEntity.HttpCookies.Count != 0)

Manager.App/Services/System/SystemService.cs

@@ -0,0 +1,12 @@
+namespace Manager.App.Services.System;
+
+public class SystemService : BackgroundService
+{
+    private CancellationToken _cancellationToken { get; set; }
+    
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        _cancellationToken = stoppingToken;
+    }
+    
+}